Means for preventing ballooning of the yarn in flyer spinning and like frames



H. A. BOYD MEANS FOR PREVENTING ,BALLOONING OF THE YARN Sept. 27, 1932.

IN FLYER SPINNING AND LIKE FRAMES Filed Sept. 27, 1950 INVENTOR HAROLD ARTHUR BOYD Patented Sept. 27, 1932 HAROLD aarnun BOYD,-

FRAMES Application filed September 2?, 1930, Serial Ne.

This invention refers to flyer spinning and like frames in which the flyers are supported and driven above the flyer legs and in which the yarn passes through a hole in the said flyer axis, then outwards and downwards to the flyer leg on its way to the bobbin. c

The object of this invention is to prevent or limit the ballooning of the said yarn as it so passes in order that the drag may not be unduly affected.

According to this invention a surface is presented against which the yarn lies by centrifugal force as it is passing from the hole through the flyer to the flyer leg on its way to the bobbin. The surface referred to is placed approximately in the line of the passage of the yarn as described, the result being that the yarn is prevented from being carried beyond the said line of passage by centrifugal 2o force.

When yarn is carried outwards beyond this line by centrifugal force, the drag is more or less affected. The surface referred to may be formed on the flyer itself or may be a separate member fixed on the flyer. The surface is entirely outside of the yarn.

In the drawings Figure l is a view in elevation of a flyer constructed in accordance with this invention; and

Figure 2 is a view similar to Figure 1 with the cone shown in vertical section. v

In giving a practical example of my invention as applied to a jute flyer spinning frame I employ as shown in Figures 1 and 2' a top rail 1, a flyer 2 mounted on the underside'of same with the flyer legs 2 projecting clownwards. The flyer has a wharve 2 by which the flyer is driven by a tape in a usual manner. The flyer has a hole 2 formed through its axis by which the yarn 3 passes from the upper side of the top rail 1 to the bobbin 4 mounted between the flyer legs 2 The flyer 2 is formed with a wha-rve 2 afore referred to just below the top rail 1. At the lower end of the flyer 2 I form an inverted cone shaped cup 2* seen in section Figure 2. At the lower edge of the cone shaped cup 2 I form a ring 2' and in same I fix two flyer legs 2 with curls at their lower end to guide the yarn 8 on to the bobbin 4. The yarn 3 enters the flyer at rates or GLASGOW, sco'rLAnn THE mama 484,887, and. in Great Britain October 1a, 1929, '1

its upper end by the hole 2 passesdownwar'ds and emerges from the lower end of the hole 2 It then passes against the inner surface of the cone shaped cup 2 which is on the line of the yarn 3 as it passes from the hole in the axis of the flyer to the flyer leg 2 Thus the yarn is prevented from flying'outwards by centrifugal force as it passes to the flyer'legs. The cone shaped cup 2 has a further purpose. Its action expels dirt from inside the w flyer and on account of its shape tends to carry the yarn downwards to the flyer leg 2 Let it be noted that caps have been fitted on to the top and outside of ordinary flyers to prevent an air current being created by the shoulders of such flyers. The present cone shaped cup has an entirely different purpose vizl to keep the yarn from flying outwards from its natural line of passage on its way to the flyer leg.

I-Iaving'now particularly described and ascertained the nature of my said invention and FLYER srrnn'rne Ann inn in what manner the same is to be performed,

I declare that what I claim is 1. In flyer spinning or like frames in which the yarn passes through a hole in the axis of the flyer to the flyer leg and bobbin; the formation of the said 'fiyer between the point of exit of the yarn through the said hole in the flyer axis and the flyer legs with a ta ering surface looking to the inside of the yer and approximately in line with the yarn as it passes to the flyer leg, the said surfacebeing so located as to prevent the yarn from flying outwards by centrifugal force and thereby partially or wholly overcoming the drag by which the bobbin takes up the yarn substantially as and for the purposes described.

2. In fiyer spinning or like frames the arrangement described in claim 1 comprising a flyer with a cone carrying the flyer legs, substantially as and for the purposes described with reference to Figures 1 and 2.

3. In flyer spinning or like frames, a flyer havinga cone and flyer legs attached to said cone, said flyer having an axial yarn opening therein and said cone having an inner conicalsurface extending from the axial opening of said flyer to said fiyer legs.

4. In flyer spinning or like frames, a flyerv having a cone and flyer legs attached at the base of said cone, said flyer having an axial yarn opening therein and said cone having an opening forming a continuous bearing surface for the yarn from said axial opening to said fly er legs. I i

5. In flyerfspinning or like frames, a fiyer having an axial yarn opening therein, a flyer leg connected to said fiyer and spaced from V the axial opening insaid -flyer'and ataperi-ng surface inclined to said axial opening and extending-from said axial opening to'said flyer leg for limiting outward movement ofthe arn. a a In testimony whereof I have signed my name to this specification.

. H. 'A.- BOYD. 

